Myalgia is not a medical disorder or disease but more of a symptom of an existing underlying condition. Myalgia is known as a muscle ache or muscle pain. It is a common condition that almost everyone has had at one time or another. The pain in the muscle can last a just a few days or for much longer.
H2 receptors are positively coupled to adenylate cyclase via Gs. It is a potent stimulant of cAMP production, which leads to activation of Protein Kinase A. PKA functions to phosphorylate certain proteins, affecting their activity.The drug betazole is an example of a Histamine H 2 receptor agonist.he histamine receptor H 2 belongs to the rhodopsin-like family of G protein-coupled receptors. It is an integral membrane protein and stimulates gastric acid secretion. It also regulates gastrointestinal motility and intestinal secretion and is thought to be involved in regulating cell growth and differentiation.
Famotidine is a histamine type 2 receptor antagonist (H2 blocker) which is commonly used for treatment of acid-peptic disease and heartburn.he H2 blockers are specific antagonists of the histamine type 2 receptor, which is found on the basolateral (antiluminal) membrane of gastric parietal cells.